{"product_id":"imscrews-3-8-x-2-1-2-hex-head-lag-screws-304-stainless-steel-18-8-partially-threaded-pack-of-2-heavy-duty-wood-screws","title":"IMSCREWS 3\/8  x 2-1\/2  Hex Head Lag Screws, 304 Stainless Steel 18-8, Partially Threaded, Pack of 2 - Heavy Duty Wood Screws","description":"\u003cp\u003e\"\u003cstrong\u003eIMSCREWS 3\/8 x 2-1\/2 Heavy-Duty Lag Screws - 304 Stainless Steel (2 pcs)\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eExtreme Structural Support\u003c\/strong\u003e\u003cbr\u003eEngineered for heavy-duty framing, the 3\/8 diameter provides massive shear resistance for critical load-bearing joints. These 2.5-inch bolts are the professional choice for anchoring standard 2x lumber (1.5 thick) to 4x4 or 6x6 posts, ensuring deep penetration and a rock-solid foundation for deck railings, stair stringers, and structural brackets.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVise-Like Clamping Power\u003c\/strong\u003e\u003cbr\u003eOur \u003cstrong\u003epartially threaded shank\u003c\/strong\u003e features a smooth upper section that allows the bolt to pull the outer timber tightly against the support beam. This clamping effect ensures a gap-free, high-tension joint, eliminating the bridging effect where boards remain loose—a common failure point with full-thread screws.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e304 Stainless Weather Protection\u003c\/strong\u003e\u003cbr\u003eForged from premium 18-8 (304) stainless steel for elite rust protection in outdoor and humid environments. compatible with \u003cstrong\u003eACQ pressure-treated lumber\u003c\/strong\u003e. Prevents unsightly corrosion streaks and maintains structural integrity on high-value cedar, redwood, or premium deck framing.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e¡ñ Tools:\u003c\/strong\u003e Fits a standard \u003cstrong\u003e9\/16 hex socket\u003c\/strong\u003e or wrench.\u003cbr\u003e\u003cstrong\u003e¡ñ Pre-drilling:\u003c\/strong\u003e Required for 3\/8 bolts. Use a 1\/4 bit for softwoods or 5\/16 bit for hardwoods to prevent timber splitting.\u003cbr\u003e\u003cstrong\u003e¡ñ Why 2-1\/2 length?\u003c\/strong\u003e Optimized for passing through 1.5 timber with a deep 1 thread anchor in the base post for maximum stability.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003cbr\u003e- Size: 3\/8 x 2-1\/2 \u003cbr\u003e- Thread: Partially Threaded (Max Clamping)\u003cbr\u003e- Material: 304 Stainless Steel\u003cbr\u003e- Drive: 9\/16 Hex Head\u003cbr\u003e- Qty: 2 pcs\"\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStructural Mounting Strength: The 3\/8  diameter provides high shear resistance for structural applications. At 2.5 inches long, these screws are ideal for attaching 2x lumber to 4x posts or securing heavy brackets to structural timber.\u003c\/li\u003e\n\u003cli\u003e304 Stainless Steel: Made from premium 18-8 (304) Stainless Steel, providing effective protection against rust and corrosion. Compatible with ACQ pressure-treated lumber in outdoor or humid environments.\u003c\/li\u003e\n\u003cli\u003ePartial Thread Clamping: The partially threaded shank allows the bolt to pull the outer board or metal plate flush against the support structure, reducing gaps between surfaces for a firm structural joint.\u003c\/li\u003e\n\u003cli\u003eOutdoor Durability: These fasteners help maintain the appearance of premium wood like cedar and redwood by reducing the likelihood of rust streaks common with standard zinc-plated hardware.\u003c\/li\u003e\n\u003cli\u003eProfessional Installation: Designed for use with a standard 9\/16  hex socket. To prevent wood splitting, pre-drilling a pilot hole (recommended 1\/4  for softwoods or 5\/16  for hardwoods) is required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN:\u003c\/strong\u003e B0F21DY6VH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal SKU:\u003c\/strong\u003e IMS0669\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/8\" x 2-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Hex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IMSCREWS","offers":[{"title":"Default Title","offer_id":57034556932262,"sku":"B0F21DY6VH","price":5.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/2784\/0903\/files\/41keW3A_9kL_05d96af2-1373-47d8-87ff-71835c1c6c11.jpg?v=1787035650","url":"https:\/\/www.imscrews.com\/ru\/products\/imscrews-3-8-x-2-1-2-hex-head-lag-screws-304-stainless-steel-18-8-partially-threaded-pack-of-2-heavy-duty-wood-screws","provider":"IMSCREWS","version":"1.0","type":"link"}